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      "Stimulate Mo" e proteção com Tecido "Não Tecido" no pré-enraizamento de mudas de mandioquinha-salsa Translated title: "Stimulate Mo" and protection with floating rowcover on pre-rooting of Peruvian carrot (Arracacia xanthorrhiza Bancroft) explants

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          Abstract

          Avaliou-se a brotação e o enraizamento de mudas de mandioquinha-salsa, cultivar Amarela Comum, tratadas com o composto de reguladores de crescimento "Stimulate Mo", associado ou não à cobertura dos canteiros com tecido de polipropileno, conhecido como Tecido "Não Tecido" (NT). As doses de "Stimulate Mo" foram: 1) testemunha sem tratamento; 2) 2,5 ml/ L; 3) 5,0 ml/ L; 4) 7,5 ml/ L e 5) 10,0 ml/ L. As mudas foram retiradas da periferia da touceira, selecionadas por peso (10-15 g), cortadas em bisel (1,5-2,0 cm de comprimento) e tratadas com imersão em hipoclorito de sódio 10%, por três minutos. Posteriormente foram imersas na solução de "Stimulate Mo", por 30 minutos, armazenadas à sombra por cinco dias e transferidas para canteiros. O NT foi colocado após o plantio, em cobertura do canteiro, como uma manta flutuante. Foram avaliados: porcentagem de mudas com brotação, número e comprimento de folhas e de raízes. Não houve interação significativa entre os fatores NT e doses de "Stimulate Mo". Observou-se efeito benéfico da proteção com NT para todas as características avaliadas, resultando em mudas uniformes, precoces e vigorosas aos 36 dias do plantio. O produto "Stimulate Mo" foi eficiente no aumento do número e comprimento de raízes, confirmando sua utilidade como estimulador do enraizamento.

          Translated abstract

          It was evaluated the effect of doses of Stimulate Mo, a product with growth regulators on the sprouting and pre rooting of Peruvian carrot explants, cultivar Amarela Comum, associated with and without floating rowcover of polypropylene. The following doses were tested: 1) 0 (control without treatment); 2) 2.5 ml/ L; 3) 5.0 ml/ L; 4) 7.5 ml/ L and 5) 10.0 ml/ L. The explants were removed from the cornels, selected by size (10-15g), cut in bezel (1.5-2.0 cm of length) and treated by immersion in sodium hypocloride 10% during three minutes. Afterwards the explants were treated in different dose of "Stimulate Mo" during 30 minutes and stored during five days in a shaded place. After planting the floating rowcover of polypropylene had been set, it was evaluated the percentage of explants with sprouting, number and length of leaves and number and length of roots. It was not observed significative effect of interaction between floating rowcover and doses of "Stimulate Mo". The protection by floating rowcover was superior in all of the characteristics observed, promoting the development of uniforms and vigorous explants and early pre-rooting at 36 days after planting. The product "Stimulate Mo" was efficient to increase number and root length confirming its utility as a rooting stimulator.

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          Andean roots and tubers: ahipa, arracacha, maca and yacon

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            Stimulate® Mo em hortaliças: informativo técnico

            (1998)
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              Cubiertas de agrotextil en especies hortícolas: balances térmicos, evapotranspiracion y respuestas productivas

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                hb
                Horticultura Brasileira
                Hortic. Bras.
                Associação Brasileira de Horticultura (Vitoria da Conquista )
                1806-9991
                March 2000
                : 18
                : 1
                : 53-56
                Affiliations
                [1 ] UEPG
                [2 ] Embrapa Hortaliças Brazil
                Article
                S0102-05362000000100012
                10.1590/S0102-05362000000100012
                bed9c898-48a1-42c2-a217-665bf6b363ca

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-0536&lng=en
                Categories
                HORTICULTURE

                Horticulture
                Arracacia xanthorrhiza Bancroft,rooting,polypropylene,plant growth regulators,polipropileno,reguladores de crescimento

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